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Generic 650W PSU with ATi Radeon HD 6950 - Low Perfomance

post #1 of 12
Thread Starter 
Hi guys, I was wondering if it's possible that I'm gettting a relatively low perfomance when gaming because of my PSU. I'm going to replace as soon as possible (I know there's a chance the PC might fry), and I've not run any games since I found out that a generic PSU with a 6950 is basically a time-bomb. However, is it possible that it also reduces my perfomance considerably while gaming? To give you guys an idea, 50-60 FPS in BFBC2, maxed out, and 1x AA or 8x AA make no noticeable difference.
Oh, and a final question, is it OK to use the PC with the generic PSU and the 6950 as long as I'm not gaming?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q8400 @ 2,66 GHz ASUS P5QC Sapphire ATi Radeon 6950 2 GB 3 GB DDR2 Single-Channel 
OS
Windows 7 32-bit 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q8400 @ 2,66 GHz ASUS P5QC Sapphire ATi Radeon 6950 2 GB 3 GB DDR2 Single-Channel 
OS
Windows 7 32-bit 
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post #2 of 12
What is the generic power supply? At least a picture of the label or a link to where you bought it would be helpful. There are degrees of crappiness, see. There's the crappy that will just reduce system reliability, the crappy that will cause harm to components, and the crappy that will set fire to your home. We need to determine which.
post #3 of 12
Thread Starter 
The PSU is a Eurocase CL-650
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q8400 @ 2,66 GHz ASUS P5QC Sapphire ATi Radeon 6950 2 GB 3 GB DDR2 Single-Channel 
OS
Windows 7 32-bit 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q8400 @ 2,66 GHz ASUS P5QC Sapphire ATi Radeon 6950 2 GB 3 GB DDR2 Single-Channel 
OS
Windows 7 32-bit 
  hide details  
Reply
post #4 of 12
I can find barely any information. Saw some shots of the inside of a Eurocase 400W, but they were just of the secondary side capacitors and such. Fuhjyyu and Fulltec doesn't inspire much confidence. And it was group regulated and had a cheaply constructed PCB.

On the other hand, it only had two transformers so may have been a double forward topology, or at least single forward. Guy who posted it said that it had a large coil inductor on the primary, which indicates passive power factor correction.


But then, that's just one of their models, a 400W. Yours is probably different. I can't say anything for sure; but it certainly wouldn't be a bad idea to upgrade.

What's your budget and where can you shop?
post #5 of 12
You should fill out your system specs in your profile, I'm just wondering if it couldnt be related to whatever CPU your using, ect.
Spit in God's Eye
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7-5960x @ 4.26 ghz core / 3.53 ghz uncore - 1.... AsRock X99 Extreme3 EVGA GTX980 Ti 16gb (4x4gb) Crucial DDR4 2133 CL15  
Hard DriveHard DriveHard DriveOptical Drive
A-Data SP600 256gb SSD (C:) Samsung 840 EVO 1TB SSD (D:) Seagate 2TB Hybrid Drive (E:) LITE-ON 24x DVDRW 
CoolingOSMonitorKeyboard
Corsair H110 Win 10 x64 HP 2511x ( 25" 1080p ) AZIO L70 
PowerCaseMouseAudio
Corsair TX750 Antec 300 (Modded) Logitech M100 Onboard 
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Spit in God's Eye
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7-5960x @ 4.26 ghz core / 3.53 ghz uncore - 1.... AsRock X99 Extreme3 EVGA GTX980 Ti 16gb (4x4gb) Crucial DDR4 2133 CL15  
Hard DriveHard DriveHard DriveOptical Drive
A-Data SP600 256gb SSD (C:) Samsung 840 EVO 1TB SSD (D:) Seagate 2TB Hybrid Drive (E:) LITE-ON 24x DVDRW 
CoolingOSMonitorKeyboard
Corsair H110 Win 10 x64 HP 2511x ( 25" 1080p ) AZIO L70 
PowerCaseMouseAudio
Corsair TX750 Antec 300 (Modded) Logitech M100 Onboard 
  hide details  
Reply
post #6 of 12
Thread Starter 
I added my system specs to my signature.
I can spend about $150 dollars on the PSU, but I would like being able to use for some time before having to upgrade it.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q8400 @ 2,66 GHz ASUS P5QC Sapphire ATi Radeon 6950 2 GB 3 GB DDR2 Single-Channel 
OS
Windows 7 32-bit 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q8400 @ 2,66 GHz ASUS P5QC Sapphire ATi Radeon 6950 2 GB 3 GB DDR2 Single-Channel 
OS
Windows 7 32-bit 
  hide details  
Reply
post #7 of 12
Are you in the US? Can you shop online? Do you plan to go CrossFire with a second 6950?

How to add your system specs:
1.) Go to user CP
2.) Scroll down, on the left should be "Add System"
3.) Click Add System
4.) Fill in specs
5.) Save
post #8 of 12
Thread Starter 
I'm from Argentina and, unfortunately, can't shop online
Specs added
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q8400 @ 2,66 GHz ASUS P5QC Sapphire ATi Radeon 6950 2 GB 3 GB DDR2 Single-Channel 
OS
Windows 7 32-bit 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q8400 @ 2,66 GHz ASUS P5QC Sapphire ATi Radeon 6950 2 GB 3 GB DDR2 Single-Channel 
OS
Windows 7 32-bit 
  hide details  
Reply
post #9 of 12
Well your motherboard doesn't do Crossfire so we don't have to worry about that. You should be fine with any quality 450W+ PSU.

Go around your local shops and look at all the 400-600W power supplies you see, maybe write down the names and model #s and price, then we can help you find the best deal. Don't buy blind, there are a lot of crap PSUs that masquerade as good.
post #10 of 12
I don't want to hijack your topic but Phaedrus what is your opinion about the TX950 ?
I know there are far better designs than the TX platform now but the price is alot cheaper than most other 900-1Kw units.

The 950 would be for a friend and although he doesn't really need that much power the unit is similarly priced as most quality 800w units here.

Last question do you think my TX 750 would be fine running two Gygabite 560 SOC and an overclocked 2600K ?
My System
(16 items)
 
  
CPUMotherboardGraphicsRAM
4790K Asus Z97 Pro Sapphire Radeon R9 290 4GB Tri-X 16GB GSkil 2133MHz 
Hard DriveHard DriveOptical DriveCooling
Seagate 2TB 2000DM001 Seagate 3TB 3000DM001 Plextor PX891SA NH-C12P 
OSMonitorKeyboardPower
Windows 7 64bit Iiyama XB2783HSU Microsoft Digital Media Keyboard 3000 Corsair TX750W 
CaseMouseAudio
Lancool K62 Logitech G500 Xonar DX 
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My System
(16 items)
 
  
CPUMotherboardGraphicsRAM
4790K Asus Z97 Pro Sapphire Radeon R9 290 4GB Tri-X 16GB GSkil 2133MHz 
Hard DriveHard DriveOptical DriveCooling
Seagate 2TB 2000DM001 Seagate 3TB 3000DM001 Plextor PX891SA NH-C12P 
OSMonitorKeyboardPower
Windows 7 64bit Iiyama XB2783HSU Microsoft Digital Media Keyboard 3000 Corsair TX750W 
CaseMouseAudio
Lancool K62 Logitech G500 Xonar DX 
  hide details  
Reply
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